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A Mercury battery will provide constant voltage. A voltage regulator circuit will also.

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15y ago

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In a AC parallel circuit which is constant voltage or resistance?

Voltage will be constant. Resistance is dependent on the components in the circuit. Source: Electronics Technician for the US Govt


If the resistance in a circuit is doubled while the voltage remains the constant the current is?

It is halved. coz voltage=current * resistance


How you can change a constant DC voltage to a variable DC voltage?

By installing the varialble resistor in the circuit,the constant dc voltage would change .


If the voltage applied to a circuit remains constant and the resistance in the circuit is increased the current will?

V = IR Where, V = voltage I = current R = resistance Thus if resistance is increased with constant voltage current will decrease


What are the 2 rules for the voltage and current in a series circuit?

In a series circuit, the current remains constant throughout the circuit. The voltage across each component in a series circuit adds up to the total voltage of the circuit.


What is difference between stabilizer and voltage regulator?

A voltage regulator is a circuit or device designed to deliver a constant voltage at its output regardless of changes in load current.A voltage stabilizer is a circuit or device designed to deliver a constant voltage at its output regardless of changes in incoming voltage.


An RC circuit has a time constant of 10ms and an applied voltage of 15V What is the voltage on the capacitor after one time constant?

About 5.5 volts.


How does current vary with the resistance in the circuit if the voltage is constant?

Inversely. As resistance increases, current dereases; given that the applied voltage is constant.


Will doubling the resistance in a circuit halve the current if voltage is held constant?

If resistance is halved while voltage remains constant, the current will double.


If the resistance in a circuit is doubled while the voltage remains constant the current does what?

If resistance is doubled in a circuit with constant voltage, Ohm's Law (V=IR) states that current (I) would be halved since the voltage is constant. This is because the relationship between resistance and current is inversely proportional.


What will happen to voltage in a parallel circuit?

In a parallel circuit the voltage across each component is the same.


Is voltage the same in parallel circuits?

No, voltage is not the same in parallel circuits. Voltage is constant across components in a series circuit, but in a parallel circuit, each component has the same voltage as the power source.